tune down
Upper Intermediate (B2)neutral
To adjust a musical instrument so that it plays lower notes — the opposite of tuning up.
"The guitarist tuned down all the strings by a semitone for the last song."
Hear it in context
The Science of Productivity
Ali Abdaal – Lifestyle Business Academy · 21:40
on the same boss fight like why not just tune down
How TikTok Hijacked the Future of Music - Nik Nocturnal
Chris Williamson · 119:05
now you can have screaming, now you can tune down your guitars